28/03/2020Ideal Gases and Thermal Expansion(Senior Class Physics Study by Topics) 0Comments by Gate Academy Welcome to your Ideal Gases and Thermal Expansion(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. As the volume of confined gas decreases at the constant temperature, the pressure exerted by the gas ______.FluctuateStay the sameIncreasesDecreases2. Which of the following explains why we feel cool when we stay very close to a fan?WindEvaporationTemperatureHumidity3. The Kelvin temperature scale has the same size degree as the_____ scale and its zero is _____ degrees lower.Fahrenheit ... 459Celsius ... 459Celsius ... 273Fahrenheit ... 2734. Four liters of an ideal gas is heated from 200 K to 400 K in a container with a fixed volume. If the initial pressure was 1 atm, what is the final pressure?0.25 atm0.5 atm2 atm4 atm5. Organize the following gasses in order of their rates of diffusion, from slowest to fastestoxygen, O_{2}ammonia, NH_{3}hydrogen, H_{2}carbon dioxide, CO_{2}Oxygen, hydrogen, carbon dioxide, ammoniaCarbon dioxide, oxygen, ammonia, hydrogenHydrogen, oxygen, ammonia, carbon dioxideHydrogen, ammonia, oxygen, carbon dioxide6. The atomic mass of carbon dioxide is 44 atomic mass units. What is the atomic mass of oxygen if each molecule contains one atom of carbon and two of oxygen?101216227. Neon gas has a volume of 2,000 ml with a pressure of 1.8atm however, the pressure decreased to 1.3 atm, what is now the volume of the neon gas?2,759mL2, 795mL3,795mL3,759mL8. What is the force that binds materials together?ElectricVan de WaalGravitationalStrong nuclear9. If a block of material has a mass of 8 grams and a volume of 4 cubic centimeters, what is its density?0.5 cubic centimeters per gram4 grams-cubic centimeters2 grams per cubic centimeter12 grams-cubic centimeters10. Which of the following doubles with a doubling of the Celsius temperature of an ideal gas?Average speedAverage kinetic energyNone of the aboveAverage momentum11. At what pressure is a 5 liter container containing 20g of oxygen gas at a temperature of 10C? ____ atm (round to the nearest tenth)5.63.62.91.512. Each of these flasks is the same size and at the same temperature. Which one contains the most molecules?Flask 2Flask 1Flask 4Flask 313. Which of the following is NOT a method of transporting heat energy from one place to anotherCondensationConductionConductionRadiation14. Which Gas Law is involved when a balloon pops after being sat on?None of the AboveCharles LawBoyle's LawLaw of Pressure Gradient15. At a pressure of 5.0 atmospheres, a sample of gas occupies 40 liters. What volume will the same sample hold at 1.0 atmosphere?8.0 L0.0050 L0.13 L200 L16. In a nitrogen gas has occupied a volume of 500ml at a pressure of 0.971atm. What volume will the gas fill at a pressure of 1.50 atm, assuming the temperature remains constant?324mL424mL342mL442mL17. Each of these flasks contains the same number of gas molecules. In which would the pressure be lowest?Flask 4Flask 2Flask 1Flask 318. Not all Gas Law problems have Kelvin (K) as the unit of temperature. They can be expressed in Celsius (°C) and Fahrenheit(°F). So, convert 123°C to K.369K458K486K396K19. A sample of Argon has a volume of 0.43 mL at 299K. At what temperature in degrees Celsius will it have a volume of 1 mL.695°C694°C428°C422°C20. A small sample of helium gas occupies 6 mL at a temperature of 250 K. At what temperature does the volume expand to 9 mL?500K125K2250K375K21. You have two cubes of the same size, one made of aluminum and the other of lead. Both cubes are allowed to sink to the bottom of a water-filled aquarium. Which cube, if either, experiences the greater buoyant force?The lead cubeThe aluminum cubeBoth cubes experience the same buoyant forceI will let computer choose for me22. A platinum resistance thermometer has resistance of 52.5 ohms and 9.75 ohms at 0 degrees Celsius and 100 degrees Celsius respectively. When the resistance is 8.25 ohms, find the temperature66:7oC75:0oC84:6oC63:6oC23. A container of nitrogen gas contains 40 g of nitrogen gas at a pressure of 4 atm, and has a temperature of 50C. Given this information, the volume must be _____ liters.6.673.349.4712.9924. According to Charles Law, if you have a balloon inside a car at noon during a hot summer day, the balloon molecules inside will increase in pressure.FalseTrue25. Which of the following effects is NOT a result of surface tension?Liquids floating in the Space Shuttle form into spheresA glass can be filled with milk beyond its brim.Soap films on wire frames have minimal surface areasThe pressure increases with the depth in a fluid26 out of 25Time is Up!